COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

Arlington Trust Co LLC's Holding History (CIK: 0001997685)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 110 Value ($000) $7 Avg Close $70.84 Range $62.00 - $85.24

Q3 2024

Shares 40 Value ($000) $3 Avg Close $75.84 Range $70.86 - $81.63

Q4 2023

Shares 69 Value ($000) $6 Avg Close $80.94 Range $67.35 - $89.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	110	$7	$70.84	$62.00 - $85.24
Q3 2024	40	$3	$75.84	$70.86 - $81.63
Q4 2023	69	$6	$80.94	$67.35 - $89.11